山东原蚌虫属两新种(甲壳纲:介甲目:蚌壳虫科)  

TWO NEW SPECIES OF THE GENUS EOCYZICUS DADAY FROM SHANDONG PROVINCE, CHINA (CRUSTACEA: CONCHOSTRACA, CYZICIDAE)

作　　者：胡维兴[1] 

机构地区：[1]青岛海洋大学,266003

出　　处：《动物分类学报》1992年第3期274-282,共9页Acta Zootaxonomica Sinica

摘　　要：记述了产于山东省兖州县淡水鱼苗培育池及鱼台县水稻田的介甲目蚌壳虫科原蚌虫属的二新种,命名为兖州原蚌虫Eocyzicus yanzhouensis sp.nov.及拟莱阳原蚌虫Eocyzicus paralaiyangensis sp.nov.分别列表比较了前者与其近似种佩里原蚌虫,多刺原蚌虫及后者与其近似种莱阳原蚌虫的主要形态区别特征。附新种形态插图。模式标本保存在青岛海洋大学水产学院动物学实验室。In the present paper, two new species of Eocyzicus Daday de Deés, 1915 are described. Tie types are deposited in the Zoological Laboratory, College of Fishery, Ocean University of Qingdao.1.Eocyzicus yanzhouensis sp. nov. (figs. 1-7)Holotype ♂ No. YZ-8306101, shell 7mm in length, 4.9mm in height June 10, 1983, from fresh-water fry-rearing pond of the County of Yanzhou (35°32'25'N, 116°49'30'E), Shandong Province, China, by Cao Yi-xin, Allotype ♀ No. YZ-8306102, shell 6.4mm in length, 4.2mm in height. Paratypes: 1♂ 1♀ No. YZ-8306103, shell 6, 6.2mm in length, 4.1,4.2mm in height. Other data same as for the holotype.This new species is closely allied to Eocyzicus perrieri Daday and E, spinfer Prasad et al. The differences between them are shown in the following table. 2. Eocyzicus paralaiyangensis sp. nov.Holotype ♂ No. YT-8606301, shell 7.2mm in length, 4.5mm in height. June 30, 1986, from the paddy field (water depth 0.5m) of the county of Yutai (35°0'9'N, 116°39'56'E), Shandong Province, China, by Liu Wen-yang. Allotype: ♀ No. YT-8606302, shell 6.0mm in length, 3.8mm in height. Paratypes: 2♂♂ 1♀ No. YT-8606303, shell 7.4,7.0,6.1mm in length, 4.5,4.2,3.8mm in height. Other data same as for the holotype.The present new species is similar to E. laiyangensis Hu. The differences be tween them are given below

关 键 词：甲壳纲 介甲目 原蚌虫属 新种 

分 类 号：Q959.223[生物学—动物学]